Tabulating device for type-writers.



G. w. DONNING. TABULATING DEVICE FOR TYPE WRITERS.

APPLICIATION FILED AUG. 5, 1904. RENEWED MAR. 15, 1910.

970,433. Patented Sept13,1910.

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G; W. DONNING.

TABULATING DBVIGE FOR TYPE WRITERS.

APPLICATION IILED AUG. 5, 1904. nsmwm) Mn. 15, 1910.

970,433. Patented Sept. 13, 1910.

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INVENTOR Q 56mm? Wfimmilq mwwg G. W. DONNING.

TABULATING nnvmn FOR TYPE WRITERS.

APPLICATION FILED AUG. 5. 1904. RENEWED MAR. 15, 1910. v

Patented Sept. 13,1910.

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' GLW. DONNI-NG.

TABULATING DEVICE FOR TYPE WRITERS.

APPLICATION rum) AUG. 5, 1904. BEN-swan MAR. 15, 1910.

970,433. Patented Sept. 13,1910.

7 SHEETS-SHEET 4.

WIT/V 5- i: INVENTOR & 2: 0602q6W D017771 2% .rns: NORRIS FETERS ca, WASHINGTON, n. c

G. W. ,DONNING.

TABULATING DEVICE FOR TYPE WRITERS. APYLIOATION FILED AUG. 5, 1904. RENEWED MAR. 16, 1910.

INVENTOR' a ye Wfiwmzh Mmfomey i MEN-Eu h G. W. DONNING. TABULATING DEVICE FOR TYPE WRITERS.

ugmonxon IILED'AUG. s, 1904. RENEWED Mn. 15, 1910.

970,433. Patented Sept. 13,1910.

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* TABULATING DEVICE FOR TYPE WRITERS.

APPLIOATION FILED AUG. 5, 1904. RENEWED MAR. 15, 1910.

Patented Sept 13, 1910.

7 SHEETS-SHEET 7.-

UNITED STATES PATENT OFFICE.

GEORGE W. DONNING, OF STAMFORD, CONNECTICUT, ASSIGNOR TO HARRY T. AMBROSE, 0)? ORANGE, NEW JERSEY.

TABULATING DEVICE FOR TYPE-WRITERS.

Specification of Letters Patent.

Patented Sept. 13, 1910.

Application filed August 5, 1904, Serial No. 219,637. Renewed March 15, 1910. Serial No. 549,441.

To all whom it may concern:

Be it known that I, GEORGE WV. DONNING, a citizen of the United States, residing at Stamford, in the county of Fairfield and State of Connecticut, have invented certain new and useful Improvements in Tabulating Devices for Type-Writers, and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

The object of my invention is, generally speaking, to provide, in connection with a typewriter or other writing or printing or typeforming machine, employing a movable carriage and several separately-adjustable stops or abutments for co-action with a single adjustable stop or abutment to stop said carriage at predetermined points in its travel, as for tabulating or like purposes, an adjustable means or movable member on which said several stops are adj ustably mounted and with and by which they are moved, to position them all, simultaneously, with means for retaining said movable member when adjusted, and with means for ad justably retaining said stops on said member, in lieu of a permanently stationary support for the tabulator stops, requiring adjustment of said stops on its support for different pages or sheets.

The object is, more specifically defined, to provide in connection with a fiat plat-en typewriter wherein is employed a carriage bearing a selecting tabulator device and arranged to travel laterally of the platen on transverse rails,a supplemental member constructed and arranged to be disposed upon, and easily adjusted on, one of said transverse rails, or other suitable support, with means for locking said member to said rail, or support, means for limiting movement of said supplemental member, and a series of adjustable tabulating stops arranged to be looked upon said movable member,-the adj ustability of said member, after the several stops have once been set thereon for a particular piece of work,.permitting the positioning of said stops, together and simultaneously, Without necessity of adjusting, by hand, each stop separately when a different page of a book or sheet is to be Written upon.

Heretofore, for tabulating and analogous purposes, in fiat platen typewriters particularly, adjustable stops have been arranged on a transverse rack-bar disposed contiguous to the traveling carriage. It has been found, by experience, that in writing up, or tabulating on, pages of books or sheets which are lined up for columns or spaces, it is not always possible, with such a tabulating device on the typewriter and, particularly, a flat platen typewriter, (when the writing is, first, on one page, and, then, on the opposite one) and the tabulatingstops of said device are set, say, for a page or sheet,to position another page or sheet, similarly lined, to secure proper register thereof with the tabulator', as first set; and, therefore, it has been necessary, heretofore, to reset the tabulating stops for each page or sheet; and this may be made necessary every time a new page or sheet is positioned, because of the difficulty or impossibility in positioning the sheet or page in the same relation to the stops, as on the previous page. It will, therefore, be understood that my invention is designed to overcome this, and to this end, I provide the supplemental, adjustable rack, or member aforementioned, which supports and carries the tabulating stops; and, when 1 these are once set, the difference in the positioning of the page is met by moving the supplemental rack or member to reposition the several stops, in lieu of ad usting each one of the several stops separately. In the appended claims I shall refer to this rack, or stop-carrier, as being capable of extended adjustment, and it is to be understood that by this expression extended adjustment I I desire merely to distinguish from the slight adjustment between parts which it is customary to provide in typewriters, and similar machines, for the purpose of permitting accurate assembling of the mechanism. Moreover, the means which is provided according to my invention for retaining the stop-carrying rack in the desired adjusted position is manually and instantaneously operable, so that these series of stops may i be shifted by the operator without difliculty and after the manner of the other manipulations of the machine. In other words, the manipulation of the stop-carrier is a part of the operation ofthe machine and is eifected by a simple hand movement, being thus distinguished from that class of adjustments that may from time to time be made within the machine for the purpose of securing more accurate cooperation between the parts and which ordinarily require the employment of tools, thus falling within the province of the repairer rather than within that of the operator. This distinction may otherwise be expressed by defining the stop-adjusting means in the present instance as constituting part of the operating mechanism of the machine. Or, stated in still a different way, the rack or stop-carrier, being supported upon a sustaining-member, carried by the machine, has a large extent of longitudinal shifting-movement on said sustaining memher, this movement being, for instance, in either transverse direction from a central point taken on the sustaining-member, equal at least to one-half of the length of said sustaining-member,which movement is to be clearly distinguished from the slight or fine adjusting movement possessed by machines now on the market. The machines just referred to, with which I am familiar, are for the purpose of obtaining a relatively small and limited adjustment of the stop-bar, to accommodate the positions of the several columns or difierently arranged sheets of paper, the distance between columns varying for different purposes. The main purpose of my invention, however, is not to effect a small and limited adjustment, such as that referred to above, but is to provide a structure whereby the stop-carrying bar may be shifted a distance equal to its own length, in order to accommodate parts of a worksheet, (especially a billing form, or the page of a ledger,) on entirely diflerent parts of the platen, or opposite pages of a book (an account book for instance) on the same part, or on difierent parts of such platen, which result has never before been accomplished. This is an important function and produces a novel result.

In the accompanying drawings, forming a part of this specification, and in which like letters of reference indicate corresponding parts throughout the several views, I have illustrated one embodiment of my invention, though it is to be understood that the same is susceptible of other embodiments.

In the drawings: Figure 1 is a perspective view of a typewriter, employing a transversely and longitudinally traveling writing mechanism, and a platen, with my improvements attached; showing, also, a loose leaf lying on the platen in one osition, viz., as lined up to the left-hand side of the platen; Fig. 2 is a like view, with the leaf lying on the platen in another position, viz., as lined up to the right-hand side of the platen; Fig. 3 is a perspective view of a book-typewriter, with my improvements attached; showing the page of the book fed from one side of the platen,from the left side thereof; Fig. 4 is a like view, showing the page fed from the opposite side of the platen,from the right side thereof; Fig. 5 is a perspective view of a portion of a typewriter, with my improvements attached, parts of the type-writer being removed for the sake of clearness; Fig. 5 is a detail of the lock for the selecting tabulator device; Figs. 6 and 6 are detail views, in front elevation, and in section, respectively, of my stationary limit stop; Figs. 7 and 7" are like views of my adjustable limit-stops; Figs. 8 and 8 are detail views, respectively, in front and side elevation, of my adjustable lock for the adjustable rack; Fig. 9 is a detail view, in side elevation, partly in sect-ion, of my adjustable lock, showing the'same in operation as looking the rack; Fig. 10 is a View, in elevation, partly in section, of the tabulator-stop, in position to be looked upon the slidablerack member, and showing, also, one form of the selecting tabulator device and its relation to a tabulator-stop when in normal position; Fig. 10 is a front view of the tabulator-stop, by itself; Fig. 11 is a similar view to Fig. 10, with the stop locked to the slidable rack member; Figs. 12 and 13 are similar views, showing, respectively, the position of the parts when the abutment portion of the tabulator device shown in Fig. 10 is first abutting against one side of the stop, and, secondly, when it is latching by the tabulator-stop from the opposite side; Fig. 14 is a View of a modified form of de vice wherein the tabulator-stops are integral with the slidablemember, in lieu of being adjustable thereon; Fig. 14- is a view of a modification of the device of Fig. 14; Fig. 15 is a view in side elevation, partly in section, of the device illustrated in Fig. 5, showing, in dotted lines, the position of the parts when operated; Fig. 16 is a view in' perspective, of a modified form of device, wherein the tabulator stops are provided with latching devices and a different form of tabulator device is employed; and Figs. 17 and 18 are detail views of the form of stop illusitrated in Fig. 16, carrying a latchingaw p Referring to the drawings, in detail, and more particularly to Figs. 115, A designates a laterally-traveling carriage, movable over a platen A preferably of the flat form. This carriage A is preferably supported at its front by and travels on a transverse-rail B, or other suitable support of appropriate style and size, on rollers or wheels Z) carried I the lever.

able and tiltable on a shaft f carried at right and left by brackets f f projecting forward from the top-plate b of the carriage A. This tabulator device is a compound member and includes the bell-crank lever F and the latching device f carried by the lever. The horizontal arm f of lever F extends backward into releasing association with the escapement mechanism E, which is located on plate I)? of carriage A and tiltably mounted so as to be movable into and out of engagement with the spacing rack E. The other arm 7" of lever F is vertical and affords tabulator-operating and carriage-shifting means. The latching device f conforms to the shape of lever F and is mounted to have a limited sliding movement upon one side thereof through the instrumentality of vertical slots f 7 in the latching device and pins f f projecting from The horizontal arm f of the latching device constitutes the abutment portion of the tabulator device F, and in order to engage with the tabulator stop, presently to be described, is normally maintained above the upper edge of arm f of the lever F by means of a retractile spring f secured at its opposite ends to lever F and latching device f.

In front of the escapement mechanism E is located a locking rack or plate F This plate is provided with downward disposed teeth positioned to engage and lock the arm f of lever F when the latter is tilted to disengage the escapement mechanism from the spacing rack and to bring the abutment portion f of the tabulator device into arresting position with reference to the tabulator stops, to be described. It is to be noted that the horizontal portion f of the latching device does not extend as far rearward as locking plate F so as not to be engaged by this member.

In the operation of the tabulator device F the operator grasps the upright arm 7 of lever F and pulls it toward her. This tilts the latching device up into line with one of the tabulator stops presently to be described and, the tabulator device having previously been shifted to the right or left to the desired point, the engagement of arm f of the lever with the escapement mechanism permits the type-mechanism carriage to move to the right under the influence of its driving-mechanism until the latching device by engagement with the stop brings said carriage to rest in the proper position.

The tabulator device, just described, is

fully disclosed in, and forms the subjectmatter of, my co-pending application for patent filed August 5, 1904:, Serial No. 219,636, and does not therefore, in itself, constitute the subject-matter of the present invention.

The escapement-mechanism E, referred to,

forms the subject-matter of my Patent No. 840,203, granted January 1, 1907. Briefly described, said machine includes a holder E mounted on a rod E on top of the laterally traveling carriage, whereby the holder is tiltable transversely of the rack E to carry the escapementdogs out of engagement therewith, a second holder E" mounted on a transverse pivot E on the holder E for tilting within the plane of the rack, a rigid dog E carried at one end of holder E*, and a loose dog E mounted for longitudinal sliding at the other end of this holder and normally protracted by spring E This spring E tends not only to maintain the loose dog E protracted, but, in addition, to tilt the holder E so as to keep the loose dog normally in engagement with the spacing rack. Now, when the holder E is tilted through any suitable connection (not shown) with the universal bar or other part of the machine which is actuated at every depression of a type or space lever, the loose dog is carried out of engagement with the spacing rack and is instantly thrown forward one or more rack teeth by the tension of its spring, the rigid dog being meanwhile inserted in the rack to prevent movement of the carriage. Upon release of the key-lever, the spring referred to removes the rigid dog from the rack and inserts the loose dog therein, the carriage being now permitted to advance one or more letter-spaces by reason of the fact that the loose dog has been positioned in advance of its normal position. It will be apparent that, with an escapement mechanism of this character, one dog must be entering the rack as the other is passing out; otherwise, a faltering stroke on a keylever would, at the moment when both dogs were out of engagement with the rack, permit the carriage to skip several spaces before being arrested. For this reason, any attempt to shift the carriage reversely to position it for writing at the beginning of a line will only result in forcing the rigid dog against one of the rack teeth, thus locking the carriage, unless the dogs shall have first been tilted out of engagement with the rack, either by an ordinary release key or by the operation of the tabulator device F Thus the tabulator device may serve during tabulating work as means for shifting the carriage reversely, tilting of the device about its axis bringing about release of the escapement mechanism and simultaneously locking the horizontal arm f of the bell-crank lever F in its locking plate F to prevent sliding of the device on its shaft F while the yielding mounting of the latching device permits free passage of the latter past the tabulator stops against which it abuts rigidly when moving in the opposite direction. A forward projection E on holder E affords convenient connection between the escapement mechanism and the horizontal arm of the bell-crank lever F which underlies this proj ection.

Preferably formed on rail B, and on its outer face, is a groove or slot B of any desired conformation, though I elect to employ one of a dove-tailed form. It is to be understood that this groove may also be on any other face of said rail. In this groove or slot B is arranged to slide a member C, having its upper and lower edges made to conform to the dove-tailed groove B in said rail B. The outer face, preferably, of this slidable member is provided with teeth or other analogous raised projections or surface 0, to constitute a rack-bar. It is to be understood that said racksbar is arranged to have a sliding movement on said rail; and in lieu of the construction described, to this end, the rail may be provided with an outer raised face, and the slidable rack-bar have the groove. Disposed within this groove, at either or both ends of said rack-bar, are limit-stops or abutments D, D which may either be stationarily secured to the rail B, in said slot, as by a screw cl threaded therethrough and penetrating into the rail, as D, shown in Fig. 6; or, as D shown in Fig. 7*, be slidable in said groove B and, to this end, be provided with a thumb-screw d threaded through the stop D and having engagement with the wall (i of said groove, it being understood that when said screw (Z is turned and its end bears upon said wall (Z the beveled upper and lower edges of the stop will be caused to engage the dove-tailed walls of the groove of the rail B. In usual practice, I prefer to have the limit-stop D, at the left of the machine, stationary, and the limit-stop D at the right of the ma chine, adjustable. It is to be understood that the slidable rack-bar C is first moved to abut against the stop D, at the left, and, when shifted, will abut against the stop D at the right. l/Vhere but one style of work is to be performed, it may be desirable to have both stops permanently secured to the rail, and, therefore, there would be no occasion for adjusting the stop D But, if, for a different style of work, it becomes desirable to have a more extended adjustment of the rack-bar, say, to the right, the limitstop D may be adjusted, and for a still greater adjustment, one stop may be adjustable with relation to the other, as found necessary.

It is obvious that some means must be provided to secure the rack-bar C rigidly in engagement with the rail B, and, though various forms therefor have suggested themselves to me, I prefer to employ a locking-stop G illustrated, specifically, in Figs. 8, 8 and 9, comprising a plate 9 having its right and left-hand edges 9 bent over at right angles to engage the teeth 0 on the slidable rack-bar C. Extending upwardly from said plate is a curved arm or bracket 9 carrying a pin 9 designed to penetrate an opening or openings 9 at various points in the rail B. Pivoted on the bracket 9 and encircling the pin g is a cam-shaped lug or ear gflprovided with a knob The cam-shaped piece isarranged to engage a V-shaped groove 0 in the upper edge of the rack-bar O; and, by reason of its cam-face, will, when rotated, engage with said groove and thereby secure the lockingstop against slipping forward off the rail, the pin 9*, penetrating the opening 9 serving as a means to hold the stop upon the rack-bar. The right angle edges 9 engaging the teeth 0 of the rack-bar, serve as teeth locking the rack-bar rigidly against longitudinal movement. It is to be understood, of course, that other means may be employed for locking the rack-bar to the rail B. There will be arranged upon the rack-bar one or more of these stops G, as may be necessary, and the same may be disposed at any particular point upon said rack, as may be expedient. I also arrange upon the rackbar tabulator-stops H of substantially the same form as the lockingstops G, comprising a plate It (Figs. 10 and 10), having right angle edges b and having an upwardly extending bracket 72. supporting a locking-cam-plate 71. operated by means of a knobor thumbpiece 7?, though it is to be understood that, on this tabulator-stop, there is no pin similar to the pin 9* on the limit-stop G, though, however, I may, if necessary, add this to the tabulator stop to insure greater rigidity, as an additional means for locking the rack-bar to the rail B. Depending from the plate It is a lug or toe 72. which engages the lower side of rack-bar C and has its right side beveled, as illustrated in Fig. 10, so that, as the member f of the latching-device f of the tabulating device F strikes against the same, said latch will be caused to be depressed and ride or latch over the said toe of the tabulator-stop, when the carriage is moved from right to left, as illustrated in Fig. 13. The left edge of the tabulatorstop is, preferably, provided with a vertical offset N, which, when the carriage is moved from the right to the left, is engaged arrestingly by the member 7 of the latchingdevice f (Figs. 5 and 12). It is to be understood that I may have a series of these tabulator-stops, arranged on the slidableplate C, and which stops may, if expedient, be provided with graduations or unit designations, as usual, as for performing tabulating-work, and they are adjustable upon said rack-bar, so that they may be arranged for positioning the writing mechanism properly for particular columns or spaces.

The operation of the device will be 0btabulator stop.

vious: Where a particular page has been arranged on the platen and the same is pro vided with certain spaces or columns, and the page is that fed from right to left, as illustrated in Fig. 3, the slidable-rack-bar C is moved up against the stop D and, then, the locking-stop G is placed upon the rackbar at a point where it will register in one of the openings and be locked to the rackbar, and, at the same time, lock the rack-bar to the rail B. Then the tabulator-stops H are arranged and locked on the rack-bar,

as above described, at appropriate points to position the carriage for the required column or space work, each column or margin upon the page to be written upon having a The operator then takes hold of the lever F, resting her fingers upon the bracket 7 to steady her hand and facilitate the selecting of the desired point of carriage-stopping, and, the point having been selected and carriage-release effected, the carriage moves until the latching-device engages the offset 717 on the tabulator-stop. It is to be understood that the operatinglever owing to its pivotal mounting on shaft 7*, when drawn forward by the operator to effect release of the escapement mechanism, will throw the abutment portion f of the latching device f to an angle and into the path of the tabulator-stop H. The operator then releases her hold upon the lever F, and this permits the abutment portion f to resume its normal position, so that the carriage can move beyond the tabulator-stop for printing the required figures or other matter, in the first column. Then, for the second column or space, the same operation is performed, so that the second tabulatorstop may be engaged to bring the carriage to the desired point for printing in the sec ond column or space, and so on. As has already been observed, the upright arm of lever F affords carriage-shifting, as well as tabulator-operating, means. It is possible for the operator, during tabulating work, to shift the carriage in a reverse direction without operating or taking hold of any other part than the lever F, for while said lever, when tilted to effect carriage-release,throws the abutment portion f of the latching device up into arresting position, yet the reversely-operating latch permits this abutment portion to ride by the beveled tabulator stops freely. hen the opposite page of the book is to be written upon, the same columns thereon may not occupy the same relative position as those on the first page, because the left-hand edge thereof cannot be brought over as far on the platen as the first column on the first page occupied. The column or spaces will, however, be of the same relative width, and, therefore, it will only require the sliding of the rack-bar C to the right, that is, up against the limit-stop D which has been positioned at a point to bring the rack-bar to the required position. Of course, as the rack-bar is moved, it will require no re-adjustment of the tabulatorstops, since these have already been arranged for similar columns 011 the first page. In this way, I obviate the necessity of adj usting the tabulator-st-ops, each one separately, every time a different page is written upon.

It frequently occurs in writing in account and other columned books that the operator is unable to adjust each page thereof exactly in the same place 011 the platen relative to the tabulator. In this event, the columns of the book would not register with the tabulator-stop, and, therefore, the slidable rack is readily moved to meet this condition. Not only in book-work, where columns are provided, is there this difficulty, previously encountered, ofnot being able to position the opposite page in the same relative position as that occupied by the first; but in loose sheets, as in billing forms, or statement blanks, or other sheets, where writing is done 011 the back of the sheet, as well as on the face thereof. In this instance, the left-hand marginal column is frequently that which is perforated for binding purposes and no writing thereon can be done. It is to preserve this space that the marginal stops have had to be adjusted; but, with my device, the marginal stops are allowed to re main as first adjusted on the rack-bar, and the rack-bar, itself, is moved to position them, so that the writing will be done in the appropriate columns or spaces on the sheet. It is obvious that I may market, as an article of manufacture, the said slidable member or rack-bar carrying the locking stops G and, also, the tabulator-stops, adjustable or fixed thereon, since this tabulator-device may be applied to other forms of typewriters than that herein illustrated and described.

In some instances, where it is not necessary to have the tabulator-stops H adjustable on the rack-bar, I may form on or integral with the rack-bar stationary tabulator-stops H as shown in Fig. 14.

In lieu of the limit-stops D mayprovide scale or graduation marks on the rackbar and a single, indicating mark or pointer on the rail B, so that the position of the rack-bar may always be accurately determined and facilitated; or I may reverse this by disposing the scale or graduation marks on the rail 13, and the single, indicating pin or pointer on the rack. Of course, the locking-stop G would be retained, so that the rack-bar might be rigidly secured to the rail B.

In the form of device illustrated in Figs.

, 1 to 14, the latching-by of the tabulator device F is permitted by the disposition of the latching-device thereon. I may, however, omit said latching-device from this member and in lieu thereof, arrange the tabulator-stop J, which is secured to the movable rack-bar C in the manner already set forth (Figs. 16, 17 and 18) with a movable depending pawl j, pivoted at 7' on the outer face of the stop and designed to be held in operative position by the spring j suitably secured on the stop, there being a post j also arranged on the outer face of the stop to limit movement of the pawl in one direction.

In Fig. 14", I have shown the stop in the same form as illustrated in Fig. 14, (constituting a part of the rack) except that it is movable, and arranged as a latching-device. It comprises the stop K, provided with a bevel k on one side and an abutment edge A. on the other. Formed in the rack-bar is a chamber 75 and therein is disposed a spring [a bearing against the inner end of the stop 70.

Then the forms of tabular stops illustrated in Figs. 14 to 16 are employed, it is obvious that the tabulator device, instead of being a compound member as in the other views, becomes a simple member consisting merely of the bell-crank lever F. It will be understood that, when the horizontal arm of said lever F is traversing its lateral path of movement, with the carriage A, it will,

in moving from left to right, impinge against the pawl j which will be forced against the post j and prevent farther movement of the carriage while the arm f is in engagement with the pawl. When it shall have been disengaged therefrom, however, and the carriage shall have traveled to the right of the said stop, the said arm f (when the carriage is being returned to the starting point) will engage the opposite side of said pawl and cause the same to rock on its pivot j against the action of the spring j and permit said member, and the carriage A, to pass beyond said stop.

From the foregoing, it will be seen that, in both forms of device,that where the latching-device is disposed on the tabulator operating-lever F and the stop has a rigid depending abutment; and that where the latching-device, (comprising the springactuated pawl is arranged on the tabulator-stop,there is presented a means for permitting the parts to latch by the tabulator-stop in the direction opposite to the movement of the carriage A for printing.

The slidable member C may be graduated or provided with indicating marks 0, 0 (Figs. 5 and 10) with corresponding graduations or marks 5", b on its support, in order to show the exact location of the memher with its tabulator-stop relative to printing-point.

here I have herein employed the ex, pression units-tabulator device, it is to be understood that this term comprehends more than a mere column-stop in that it includes a structure adapted to position the carriage in any of a plurality of unit-space positions within a given column, and thereby position the traveling-member (the movement and position of which is controlled by said tabulator-device) at the units-point, at the tenspoint, at the hundreds-point, etc., according to which of these points it is desired to print.

Having thus described my invention, what I claim and desire to secure by Letters Patent is 1. In a tabulator mechanism, the combination with a traveling carriage and escapement mechanism, of a series of tabulator stops, means for effecting extended longitudinal adjustment of said series, and manually operated means for locking said series at the desired point of adjustment, and of a tabulator device having an upright portion affording manual operating means and a rearward extending portion releasingly associated with the escapement mechanism, said device being slidable transversely to select the desired point of carriage-stopping and subsequently tiltable to carry said rearward extending portion into arresting position with reference to one or another of the stops and to bring about release of the escapement mechanism.

2. In a tabulator mechanism, the combination with a traveling carriage and escapement mechanism, of a series of tabulator stops, means for effecting extended longitudinal adjustment of said series, and manually operated means for locking said series at the desired degree of adjustment, and of a tabulator device comprising a bell crank lever having an upright arm serving as an operating handle and a horizontal arm extending into releasing association with the escapement mechanism, and a latching abutment carried by the lever and constructed when brought into line with one of said tabulator stops to engage therewith to arrest free movement of the carriage in the direction of line spacing but to latch by said stop during free reverse movement of the carriage.

3. In a tabulating mechanism, the combination with a rack having teeth formed along one side thereof, of a stop having a body portion provided on its inner side with a tooth arranged to interlock with the teeth of the rack, an angled portion engaging with the surface of the rack adjacent said toothed side of the rack, and a cam device pivoted to the body portion and arranged to engage with the rack at the opposite side from said angled portion.

4. In a tabulating mechanism, the combination with a rack having teeth along one side thereof, and with a support for the rack, of a rack-retaining device, having a body portion provided with a tooth arranged to interlock with the teeth of the rack, an angled portion arranged to engage with a surface of the rack adjacent said toothed side of the rack, a cam device pivoted to the body portion and arranged to engage with the rack at the opposite side from said angled portion, and a pin passing into the support.

5. In a typewriter, a stationary fiat platen for sustaining a Work-sheet, a fiat sheet thereon, a carriage traveling in one direction over said platen and work-sheet, a tabulator-column-selector device disposed on said traveling carriage, a supporting-carriage sustaining said traveling carriage and traveling in a different direction therefrom, and a slidable stop-member mounted on said supporting-carriage and co-acting with the selector-device thereon, said carriages being shiftable in diiferent directions for positioning them at any predetermined point on said platen and work-sheet.

6. In a typewriter, a stationary flat platen, a flat work-sheet sustained thereby, a carriage traveling over said platen and work sheet, a tabulator-and-column-selector device mounted on said carriage, a supportingcarriage sustaining said traveling carriage, said carriages being shiftable in directions at right angles to each other and to any predetermined point on said work-sheet, and a slidable stop-rack mounted on said supporting-carriage and oo-acting with said selectordevice during the shifting of said first-mentioned carriage.

7 In a typewriter, a stationary flat platen, a flat work-sheet sustained thereon, a carriage traveling over said platen and worksheet in one direction, a second carriage-sustaining carriage upon which said traveling carriage is mounted and traveling at right angles thereto, a tabulator-and-column-selector-device mounted on one of said carriages, and a slidable stopcarrying-member mounted on the other of said carriages and with which said selector-device cooperates.

8. In a typewriter, a stationary flat platen, a flat work-sheet sustained thereon, a carriage traveling over said platen and worksheet in one direction, a second carriage-sustaining carriage upon which said traveling carriage is mounted and traveling at right angles thereto, a shiftable tabulator-and-column-selector-device mounted on one of said carriages, and a slidable stop-carrying-member mounted on the other of said carriages and with which said selector-device cooperates.

9. In a typewriter, a stationary flat platen, a flat work-sheet sustained thereon, a carriage traveling longitudinally thereon, a slidable rack mounted on said carriage, a laterally-traveling carriage supported by said longitudinally-traveling carriage, and a tabulator and column'selector device mounted on said laterally-traveling carriage and cooperating with said slidable rack, said carriages being shiftable together 111 one direction and to any position on said work-sheet, and one of them being shiftable .in a direction at right angles to the other.

10. In a typewriter, a stationary fiat worksheet, a transversely-traveling carriage, a tabulator and column-selectordevice mounted on and traveling with said carriage, a longitudinally-traveling support for said carriage, a slidable member mounted 011 said traveling-support, and stops adjustable onsaid slidable member with relation to said transversely-traveling carriage and said work-sheet.

11. In a typewriter, a book-support for sustaining a book, a transversely-traveling carriage shiftable over a page of said booksupport, a column-selectondevice mounted on said carriage, a longitudinally-traveling carriage for sustaining said transverselytraveling carriage and for shifting it longitudinally over said book-page, a slidable stop-carrying member mounted on said longitudinally-traveling carriage and independently shiftable in relation to said book, and carriage-stops adjustably mounted on said slidable member and shiftable witl'rrelation to said book-page.

12. In a typewriter, a flat platen for sustaining a work-sheet, a traveling carriage independent of, and shiftable backward and forward over said work-sheet, a movable stop carrying member shiftable laterally with relation to said work-sheet, and tabulator and column-stops supported by and adjustable on said member relative to said sheet, and a second carriage shiftable with relation to said stop-carrying member and the stops carried thereby.

13. In a typewriter, a traveling carriage, a worksheet, a denominational tabulator, a supporting member shiftable relatively to the tabulator and worksheet, stops carried by said shiftable member, and a locking device direotly engaging said shiftable supporting member for rigidly retaining the same against shifting when engaged by the tabulator.

1a. In a typewriter, a traveling carriage, a work-sheet, a denominational tabulator, a supporting member shiftable relatively to the tabulator and work-sheet, stops carried by said shiftable member, and a memberholding means to retain said member in operable relation to the denominational tabulator and releasable to permit shifting of said member relatively to the tabulator and work-sheet.

15. In a typewriter, a traveling carriage, a work-sheet, a denominational tabulator, a supporting-member shiftable relatively to the tabulator and work-sheet, stops carried by said shiftable member, a member-holding means to retain said member in operable re lation to the denominational tabulator and releasable to permit shifting of said member relatively to the tabulator and work-sheet, and member-lil'niting means for limiting shifting movement of said member.

16. In a typewriter, a laterally traveling carriage, a denominational tabulator shiftable in the direction of movement of said carriage, a supporting-member mounted in dependently of said carriage and similarly shiftable relatively to said tabulator, and stopelements sustained by said supportingmember.

17 In a typewriter, a traveling carriage, a denominational tabulator shiftable in the direction of movement of said carriage, a slidable supporting-member mounted independently of said carriage and similarly shiftable relatively to said tabulator, and stop-elements adj ustably mounted thereon.

18. In a typewriter, a traveling carriage, a denominational tabulator shiftable in the direction of movement of said carriage, a slidable supporting member mounted independently of said carriage and similarly shiftable relatively to said tabulator, stopelements adjustably mounted thereon, and means for limiting the movement of said slidable member.

19. In a typewriter, a traveling carriage, a denominational tabulator shiftable in the direction of movement of said carriage, a slidable supporting-member, stop-elements adjustably mounted thereon, and means for locking the slidable member in any of a plurality of adjustable positions.

20. In a typewriter, a traveling carriage, a denominational tabulator-member shiftable in the direction of movement of said carriage, a slidable supporting-member, stop-elements adjustably mounted thereon, means for limiting the sliding movement of said sliding member, and means for locking said member in any of a plurality of adjustable positions.

21. In a typewriter, a laterally traveling carriage, a denominational tabulator shiftable in the direction of movement of said carriage and also movable in a direction at right angles to its shifting movement, a supporting member mounted independently of said carriage and similarly shiftable relatively to said tabulator, and stop-elements sustained by and movable with said supporting-member.

22. In a typewriter, a laterally traveling carriage, a denominational tabulator shiftable in the direction of movement of said carriage and also movable in a direction at right angles to its shifting movement, a supporting member mounted independently of said carriage and similarly shiftable relatively to said tabulator, stop-elements-sustained by and movable with said supporting member, and a locking-device with which said columnating stop engages.

23. In a typewriter, a laterally traveling carriage, escapement-mechanism for controlling the normal travel of said carriage, a denominational tabulator shiftable in the di rection of movement of said carriage and also movable in a direction at right angles to its shifting movement to disconnect said carriage from said escapement-mechanism, a supporting member mounted independently of said carriage and similarly shiftable relative to said tabulator, and stop-elements sustained by and movable with said supportingmember.

24. In a typewriter, a laterally traveling carriage, escapement-mechanism for controlling the normal travel of said carriage, a denominational tabulator shiftable in the direction of movement of said carriage and also movable in a direction at right angles to its shifting movement to disconnect said carriage from said escapement-mechanism, a supporting member mounted independently of said carriage and similarly shiftable relative to said tabulator, stop-elements sustained by and movable with said supportingmember, and a locking-device with which said columnating stop engages.

25. In a typewriter, a letter-space carriage, a line-space carriage upon which said first-mentioned carriage is supported, a denominational tabulator mounted on one of said carriages, a shiftable stop-carrying member mounted on the other of said carriages, and tabulator-stops carried by said shiftable member.

In testimony whereof, I afiix my signature, in the presence of two subscribing witnesses.

GEORGE W. DONNING.

Witnesses:

J. R. PHILTSIE, M. P. CHA'I'rIN. 

